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authorPeter Zijlstra <a.p.zijlstra@chello.nl>2007-10-15 17:00:14 +0200
committerIngo Molnar <mingo@elte.hu>2007-10-15 17:00:14 +0200
commit810e95ccd58d91369191aa4ecc9e6d4a10d8d0c8 (patch)
tree48e2204da284c2136fe40f89eca0c212fb976807 /kernel
parenta58f6f253d268f7b9712bd13c344a1fd89a3192f (diff)
downloadlinux-810e95ccd58d91369191aa4ecc9e6d4a10d8d0c8.tar.bz2
sched: another wakeup_granularity fix
unit mis-match: wakeup_gran was used against a vruntime Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/sched_fair.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c
index f5f491762e35..3ecbfd0902d8 100644
--- a/kernel/sched_fair.c
+++ b/kernel/sched_fair.c
@@ -818,7 +818,7 @@ static void check_preempt_wakeup(struct rq *rq, struct task_struct *p)
struct task_struct *curr = rq->curr;
struct cfs_rq *cfs_rq = task_cfs_rq(curr);
struct sched_entity *se = &curr->se, *pse = &p->se;
- s64 delta;
+ s64 delta, gran;
if (unlikely(rt_prio(p->prio))) {
update_rq_clock(rq);
@@ -833,8 +833,11 @@ static void check_preempt_wakeup(struct rq *rq, struct task_struct *p)
}
delta = se->vruntime - pse->vruntime;
+ gran = sysctl_sched_wakeup_granularity;
+ if (unlikely(se->load.weight != NICE_0_LOAD))
+ gran = calc_delta_fair(gran, &se->load);
- if (delta > (s64)sysctl_sched_wakeup_granularity)
+ if (delta > gran)
resched_task(curr);
}